"They must be swimming back or flying," the boys concluded.
“他们一定是游回来了，或者是在飞。”孩子们总结道。
She hatched chicks with either strong or weak lateralisation, then presented the two groups with food hidden among small pebbles and the threatening shape of a fake predator flying overhead.
她孵化出了具有强侧向或弱侧向的雏鸡，然后为这两组小鸡准备了隐藏在小鹅卵石中的食物，还制造出假的掠食者飞过头顶的威胁形状。
普照，抑或飞扬。
They look like actors dancing or flying on an underwater stage.
他们就像是一群演员，正在一个水下舞台上起舞飞翔。
They look like actors dancing or flying on an underwater stage.
他们看起来象在一个水下舞台跳舞或飞翔的演员。
People aren't really growing tails or flying, but their avatars are.
人们真的是不可能长出尾巴来或是飞天，但他们全是网络上的虚拟化身。
Is this lady dancing or flying? No, she is delivering scoop to his partner.
这位美媚在跳舞？在飞翔？不，她是在给同伴递赶海的工具——铲子。
Designs have been proposed before that include floating or flying solar arrays.
该设计在此时前已经被提议，包括浮动的飞行的太阳能电池阵列。
Soaring through the air these creatures are often mistaken for flying hamsters or bats with tails.
这些滑翔空中的小生灵常被误认为是会飞的仓鼠，或是长了尾巴的蝙蝠。
I'm not talking about living in a McMansion or flying around in jet planes, but what would make you happy.
我的意思不是说住在大房子里或在天上飞来飞去，而是什么会让你快乐。
If not all the dishes we do not have a quarrel, playing chess or flying a tractor to a fair decision.
如果不是全部的菜，我们没有争吵，下棋或飞行一台拖拉机，以一个公平的决定。
Some people are scared of snakes or flying or heights or other things that can actually be dangerous.
有的人对蛇、飞虫、高度或其他确有危险的东西很恐惧。
The bird probably also spent a lot of time running or flying away from the numerous meat-eating dinosaurs from the area.
这种鸟可能也要花费大量时间奔跑或飞翔以躲避此地区大量的肉食性恐龙。
ScienceDaily (Mar. 22, 2010) —Imagine if your fear of spiders, heights or flying could be cured with a simple injection.
《科学日报》（Science Daily）2010-3-23——想象一下这番景象：如果你害怕蜘蛛，恐高或者害怕飞行，而这些恐惧症能够通过简单的一次注射治愈。
The heroes confront him in his lair and manage to get him hanging from a parapet15) or flying buttress16) by one hand.
剧中的主人公们在他的老巢里与之遭遇了，并且成功地将他逼到了单手挂在一根栏杆或飞拱上的地步。
In each changing season, leaves are falling down as dried bones, or flying like butterflies. And I don't know what I'm waiting for.
在每个变幻的季节等待，叶子如枯骨蝴蝶般坠落，我却不知道自己在等待什么。
Like railway advocates in the USA, the ministry touts rail as a greener, more energy-efficient form of transportation than driving or flying.
和美国的铁路拥护者一样，中国铁道部也认为，与汽车或飞机相比，铁路是一种更环保、更节能的运输方式。
As most university students are packing their bags, boarding trains or flying home, some will stay behind to spend the holiday on campus.
当多数大学生都在打包行李、乘火车、坐飞机返乡之时，还有一些人选择留在校园里过寒假。
Travelers who have a choice between riding the rails or flying often weigh other features when deciding the best way to get to their destination.
当决定坐飞机还是坐火车时，人们总是会根据自己实际的情况进行衡量。
Scientists at the Massachusetts Institute of Technology (MIT) are perfecting an aero-auto hybrid, or flying car, which should be completed within a year.
美国麻省理工学院科学家正在对飞机汽车混合体，或称飞行汽车进行最后修饰，成品今年内可问世。
One dream investigator raised or lowered the hospital bed of dreaming test subjects and upon awakening, some of them reported dreams of falling or flying.
一个梦境研究者在试验中升起或降低床的高度，一些试验者醒过来后说他们感受到了升起和下落。
In the most severe cases the lesions caused by the virus in great tits can prevent the birds from feeding or flying and makes them more vulnerable to predators.
在最严重的情况下，大山雀身上由病毒引起的病变，可剥夺鸟儿进食或飞行的能力，使它们更容易受到捕食。
Passengers need greater flexibility if they are to choose the train over driving or flying, and information about ticket restrictions needs to be made much clearer.
旅客们如果选择火车而不是自驾或飞机，他们需要更多更灵活的选择空间。而关于票务限制的信息则应该更加清楚。
If you just start a new type of activity - driving or flying a plane, or anything that requires a lot of learning - you may use this expression as you start to get better at it.
如果你刚刚开始一项新的活动-开车或者开飞机，或者其他需要学习的事情-如果你开始比较不错了，就可以用到这个短语。
During long sets, it's important that the swimmer takes a moment, while swimming, to explore how to discover a slide, or flying of the hands during the extension, rather than a press.
在长时间的规定，这很重要，因为游泳者需要一个时刻，在游泳，探讨如何发现滑梯，或者驾驶的双手在扩展，而不是一个压手的动作。
During long sets, it's important that the swimmer takes a moment, while swimming, to explore how to discover a slide, or flying of the hands during the extension, rather than a press.
在长时间的规定，这很重要，因为游泳者需要一个时刻，在游泳，探讨如何发现滑梯，或者驾驶的双手在扩展，而不是一个压手的动作。
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